Answer
Aug 17, 2026 - 11:14 AM
A number 8 O-ring typically has an inside diameter (ID) of 3/8 inch (0.362 inches) and a cross-section (thickness) of 1/16 inch (0.070 inches). These dimensions are based on the standard AS568 O-ring size chart.
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Aug 17, 2026 - 11:14 AM
View all 4000-08 | 90 Durometer Buna O-Ring for #8 SAE/ORB Questions & Answers